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Flow Chart of Troubleshooting
7-8
C432
R425
C401
R424
JACK_IN
R417
EAR_SPK_P
EAR_MIC_P
AUDIO
EAR_SPK_N
1
VCC
EAR_MIC_N
COM2
GND
11
6
GND
IN1
4
IN2
8
5
NC1
7
NC2
NO1
2
NO2
10
U402
3
COM1
9
C422
C434
NCR420
C412
R402
VBAT
R415
R411
CN401
1
2
3
4
5
6
ZD304
12 3
456
78
C405
R419
R426
VCCD
C416
NC
R413
R410
VCCA
V402
C406
C424
R401
C421
C419
C433
9
VREF
VSS
8
/CS
29
3
/IRQ
/RD
31
/RST
4
28
/WR
C427
19
MTR
5
NC
PLLC
6
17
SPOUT1
SPOUT2
18
15
SPVDD
SPVSS
16
7
VDD
33
G
G
34 35
G
G
36
HPOUT-L/MONO
10
11
HPOUT-R
IOVDD
32
LED
2
23
D4
D5
22
D6
21
D7
20
EQ1
12
13
EQ2
EQ3
14
U401
30
A0
1
CLKI
D0
27
26
D1
25
D2
D3
24
C408
V403
V411
C413
C430
C403
C423
R439
C402
C409
C414
R408
C418
C404
R403
R422
2.7K
MIC1
R414
R435
C407
R404
VCCD
L402
C417
R406
V410
C425
Q400
2
3
1
R409
V404
C410
C420
VBAT
R427
C429
VCCD
R405
R418
C411
R407
V401
R421
R437
L401
R412
C431
VCCA
R423
V405
R416
C415
JACK_IN
EAR_SWITCH
AUDIO_AMP_EN
AOUTBP
AOUTBN
YMU_SPK1N
AUXINN
RST
D(6)
D(5)
SPK1N
YMU_VIB_EN
YMU_EN
YMU_IRQ
D(2)
AOUTAP
AOUTAN
MICOUTN
J_MIC+
YMU_SPK1N
YMU_SPK1P
MICINP
MICINN
AUXINP
YMU_LED
CP_WEN
SPK1P
YMU_SPK1P
AUXOUTN
AUXOUTP
MICOUTP
CLK13M_YMU
D(7)
D(4)
D(3)
D(1)
D(0)
CP_OEN
A(0)
